AC Immune SA
$2.49+2.3%
+$292.8K
Net Activity
-3.72% total shares
Institutions Holding
43
Popularity Rank
#6568
Avg Weight
0.03%
Total Value
$58.6M
43 institutions currently hold ACIU, with 17 net buyers and 27 net sellers this quarter.
Institutional Moves (Q2 2026)
Majority Decreased
Based on recent trading activity
Net Selling Institutions
27
Net Buying Institutions
17
Top 5 by Value
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Across its top 20 institutional holders, ACIU's holder base skews toward low-concentration, high-turnover investors on average (avg. concentration score 6/100, avg. turnover score 50/100).
ACIU ranks #6568 out of 37696 tracked stocks by institutional interest, inside the more closely watched half of our coverage.
ACIU is a disclosed holding of Jim Simons (Renaissance Technologies), one of the tracked superinvestors on AlphaSMO — it makes up 0.0% of that fund's own 13F portfolio.
43 institutions disclose a position in ACIU, but none treat it as a major bet — even Bvf Inc/il, its most concentrated holder, allocates just 1.2% of its own portfolio to it.
ACIU reported a net loss of $79.5M over the trailing twelve months.
+$1.2M
Total Buy Value
$3.9M
Total Sell Value
17
Net Buyers
27
Net Sellers
ACIU
Q2 2026
Top 5 Institutional Movers
-$7.3M
-$806.3K
-$765.9K
-$561.1K
-$372.2K
ACIU does not currently have enough recent insider (Form 4) trading activity to compute a convergence signal against its 13F institutional flows.
13F data as of 2026-09-30 quarterly filings. Note: many large institutions file close to the 45-day post-quarter deadline, so early-quarter flow figures can shift substantially as more filings arrive.
No Form 144 planned sale filings in the last 90 days
No Schedule 13D/13G filings for this ticker
No Form 8-K filings for this ticker
H00263105
The most-added stocks by 13F institutions this quarter
Institutions Holding
6,280
Total reported value
$2.2T
3255 13F institutions increased their position this quarter
Institutions Holding
6,027
Total reported value
$3.6T
3054 13F institutions increased their position this quarter
Institutions Holding
6,190
Total reported value
$1.8T
2996 13F institutions increased their position this quarter
The most widely held stocks tracked across all 13F institutions
Institutions Holding
5,285
Total reported value
$1.3T
Held by 5285 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
5,176
Total reported value
$671.0B
Held by 5176 institutions — one of the most-tracked stocks on AlphaSMO
Institutions Holding
5,108
Total reported value
$1.1T
Held by 5108 institutions — one of the most-tracked stocks on AlphaSMO
Access ACIU's institutional ownership data programmatically:
REST API
curl https://alphasmo.com/api/v1/market/stock/ACIUCLI
npx alphasmo stocks get ACIUFull API & MCP documentation →